Most people don't know what lice and nits look like. Once someone hears that their child has been exposed to lice, they think that every spec of dust in their child's hair is a nit or a bug. We encourage them to take photos and to send them in. Here is an example of one photo. This is a nit. Notice, it's symmetrical, oval, attached to the hair shaft at a slight angle, is brown in color and the hair is not going through the nit.